<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
    <style>
        div {
            width: 80%;
            height: 200px;
            border: 2px solid red;
        }
    </style>
</head>
<body>
<h1>欢迎来到网站首页</h1>
<div>

    <form action="/register2" method="post">
        <p><input type="text" name="username" placeholder="请输入用户名"></p>
        <p><input type="text" name="address" placeholder="请输入地址"></p>
        <p><input type="submit" value="提交"></p>
    </form>
</div>
</body>
</html>